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Janus Henderson: LAMR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on LAMR, newest first. How the timeline and the estimate are built.

Janus Henderson held 2,724,525 LAMR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,724,525 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.17% of the 13F portfolio, value $424,995,724.

    13F-HR 0001085146-26-000611 filed by Jupiter Topco LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F/A 2,765,131 shares
    Change vs previous 13F -774,515 shares

    0.17% of the 13F portfolio, value $350,240,314.

    13F-HR/A 0001085146-26-000420 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 3,539,646 shares
    Change vs previous 13F -739,002 shares

    0.2% of the 13F portfolio, value $448,034,534.

    13F-HR 0001085146-26-000226 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 4,278,648 shares
    Change vs previous 13F +6,653 shares

    0.24% of the 13F portfolio, value $523,783,161.

    13F-HR 0001085146-25-005993 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 4,271,995 shares
    Change vs previous 13F +366,040 shares

    0.25% of the 13F portfolio, value $518,463,133.

    13F-HR 0001085146-25-005104 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 3,905,955 shares
    Change vs previous 13F +75,884 shares

    0.24% of the 13F portfolio, value $439,260,864.

    13F-HR 0001085146-25-003208 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 3,830,071 shares
    Change vs previous 13F -418,589 shares

    0.24% of the 13F portfolio, value $466,263,505.

    13F-HR 0001085146-25-001531 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 4,248,660 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $567,631,939.

    13F-HR 0001085146-24-005765 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).